What is the construction and purpose of air conditioning and heating systems?

Air conditioning and heating systems are systems responsible for regulating temperature, humidity, and air circulation in the vehicle cabin. They consist of cooling and heating parts, and their elements are located both in the engine compartment and under the dashboard. A typical set includes, among others, a compressor, condenser, evaporator, heater core, blower, and control modules.

What are air conditioning and heating systems used for?

Air conditioning and heating systems are used to maintain appropriate conditions inside the car throughout the year. They are responsible for cooling in summer, heating in winter, and dehumidifying the air when defrosting windows. Their efficiency also affects driver comfort, visibility, and the correct operation of automatic airflow control.

What is the construction and function of the blower module?

The blower module is a set of ducts, flaps, actuators, and housings through which air enters the cabin. It is used to direct the stream to the windshield, feet, or the central zone and to mix warm and cool air. Depending on the version, it works with actuator motors, temperature sensors, and the control panel.

How to select a part for a specific car?

When selecting, it is best to compare the OEM number, engine version, A/C type, and the layout of mounts and connectors. In many cases, the pre-facelift or post-facelift version, the type of control panel, and the presence of additional sensors also matter. A safe solution is to verify the part by VIN or by the number of the removed element.

What symptoms indicate a problem with the air conditioning or heating system?

Typical symptoms include poor cooling, lack of heating, fogging windows, uneven blower operation, and unusual noises after turning on the air conditioning. In practice, the cause may be a leak in the lines, a worn compressor, a damaged control panel, or a faulty flap motor. It is also worth checking the cabin filter and the patency of the condensate drain.

What to pay attention to before installing a used HVAC component?

Before installation, it is worth comparing the condition of the housing, the completeness of ports, mounts, and electrical plugs, and the compliance of catalog numbers. For parts such as a compressor, evaporator, or heater core, it is also important to check for leaks and signs of previous repairs. A well-chosen element reduces the risk of re-removal and facilitates proper fitting with the rest of the system.

Air conditioning and heating installations

At Global Parts, we offer a wide selection of original used car parts, including air conditioning and heating parts for many popular car brands such as BMW, Mini, Mercedes, Audi, Volkswagen, and others. Each of our air conditioning and heating parts undergoes quality control to ensure you receive a top-quality product.

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Mercedes Sprinter W906 Heater Blower Motor Fan Unit Diesel A0008356007

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Mercedes-Benz S-Class W220 320 CDI Air Conditioning Con Pipe Hose A6132300456

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Mercedes W204 Air Conditioning Compressor Unit A/C A0012305011

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Mercedes Vito W447 Air Conditioning Compressor A/C Pump A4478306701

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Mercedes Vito W447 Air Conditioning Compressor A/C Pump A4478306701

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Part no. A2519060200-1

Mercedes W164 V251 A/C Air Condition Climate Heater Control Panel A2519060200

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Mercedes-Benz A B Class W169 W245 Heater Control Unit Switch Panel A1698301585

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Part no. A2049005805-3

Mercedes W204 Heater Climate Control Panel Air Con A/C Switch Unit A2049005805

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Part no. A1688200542

Mercedes-Benz A-Class W168 Heater Blower Motor Fan Unit A1688200542

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Air Duct Mercedes W210 Channel Cabin Ventilation Front Left N/S A2108310146

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Part no. A0008203708

Mercedes W639 Heater Flap Motor Air Vent Actuator A0008203708

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Part no. A0038357601

Mercedes Vito W639 Heat Exchanger Heater Matrix Unit A0038357501

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Mercedes-Benz A B Class W169 W245 Heater Flap Motor Actuator A1698201042

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Mercedes W177 Air Con Refrigerant Pipe Conditioning Line Hose A/C A1778305601

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Part no. A1648310046

Mercedes W164 Air Duct Hose Line Pipe Rear Center A1648310046

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Part no. A2308201242

Mercedes W203 W209 W211 Heater Flap Motor Actuator A2308201242

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Part no. A2108303185-1

Mercedes W202 W210 Air Conditioning Unit Control Panel A2108303185

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Part no. A1768300600

Mercedes W176 C117 CLA 45 AMG Petrol M133 Air Conditioning Compressor Hose

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Mercedes-Benz C W203 M271 Petrol Air Conditioning Compressor Pipe A2712030502

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Part no. A2058311145

Air Duct Mercedes W205 C253 Channel Cabin Ventilation Rear Left N/S A2058311145

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Part no. A0012308611-2

Mercedes W211 OM642 Air Conditioning Refrigerant Compressor A/C Pump A0012308611

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Part no. A9108303201-2

Mercedes Sprinter W910 Air Vent Grill Outer Front A9108303201

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Part no. A0022303411

Air Conditioning Compressor Mercedes W204 W207 W212 Air Con A/C Unit A0022303411

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Part no. A1778684200

Mercedes W177 M260 Windshield Washer Pipe Refrigerant Hose Line A1778684200

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Part no. A0032308811

Mercedes W204 C207 W212 C218 A/C Air Conditioning Compressor Pump A0032308811

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Part no. A0995001354

Mercedes W205 Air Conditioning Cooling Radiator Condenser A/C A0995001354

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Part no. A2108311346

Mercedes W210 Air Duct Channel Cabin Front Left N/S Tube A2108311346

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Part no. A2045000654

Mercedes W204 C207 W212 Air Con A/C Cooling Radiator Condenser A2045000654

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Part no. A2048311146

Mercedes-Benz C E W204 W207 A207 C207 Air Duct Plastic Pipe Left A2048311146

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Part no. A1635001372

Mercedes ML W163 270 CDI Air Con Compressor Pressure Line Hose Pipe A1635001372

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Part no. A6398301785

Mercedes Vito W639 Rear Climate Heater Control Unit Switch Panel A6398301785

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Part no. A0008303702

Air Conditioning Pump Mercedes W166 C217 W222 W292 A/C Compressor A0008303702

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Part no. 03930013

Mercedes Sprinter W906 OM651 Air Conditioning Compressor A/C Pump 03930013

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Part no. A0995000454

Condenser Mercedes W213 W205 Air Conditioning Refrigerant Radiator A0995000454

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Part no. A6398302061

Heater Mercedes Vito W639 Additional Heat Exchanger Rear Heater A6398302061

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Part no. A1122301756

Compressor Hose Mercedes W163 W639 W220 Air Conditioning Pipe A1122301756

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Part no. A2038303485

Climate Control Panel Mercedes W203 W209 Heater Switch A/C Unit A2038303485

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Part no. A1668300200

Air Conditioning Pipe Mercedes W166 C292 Refrigerant A/C Hose Line A1668300200

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Part no. A1112303956

Mercedes R170 Air Conditioning Hose Pipe Suction Line A1112303956

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Part no. A1668300254

Mercedes W166 Air Vent Dashboard Right O/S A1668300254

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Part no. A2048300415

Air Conditioning Pipe Mercedes W204 W207 W212 Refrigerant Hose Line A2048300415

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Part no. A6398300215

Mercedes Vito W639 Air Con Refrigerant Pipe Conditioning Line Hose A6398300215

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Part no. A1698310246

Mercedes-Benz A B Class W169 W245 Air Duct Plastic Pipe Left N/S A1698310246

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Part no. A2468301102

Air Conditioning Pipe Mercedes X156 W176 W246 A/C Coolant Hose Line A2468301102

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Mercedes C253 Air Conditioning A/C Hose Pipe A2538303301

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Mercedes W447 Expansion Valve A/C Air Conditioning Valve Unit A4478350400

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Part no. A4478350400

Mercedes W447 Expansion Valve A/C Air Conditioning Valve Unit A4478350400

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Part no. A2129002814

Air Conditioning Panel Mercedes W212 Automatic Heater A/C Control A2129002814

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Part no. A1768300700

Mercedes W176 A/C Air Conditioning Hose Pipe A1768300700

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Part no. A0995040002

Mercedes ML W164 GL X166 GLE C292 Radiator Mount Bracket A0995040002

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Part no. A6394460828

Mercedes Vito Viano W639 AC Climate Heater Control Unit Switch Panel A6394460828

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Part no. A0002309311

Mercedes R171 Air Conditioning AC Compressor A0002309311

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Part no. A0075421313

Mercedes W169 W204 W246 Outside Air Temperature Sensor A0075421313

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Part no. A0018305758

Mercedes Viano Vito W639 Air Conditioning Heater Evaporator Unit A0018305758

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Mercedes Vito W639 Air Conditioning Suction Hose A/C Compressor Pipe A6398301715

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Mercedes W205 Air Conditioning Pipe Hose A / C Line A2058300015

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Air Conditioning Panel Mercedes W205 GLC X253 Climate Control Switch A2059054515

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Part no. A6398309115

Mercedes Vito W639 Air Con Refrigerant Pipe Conditioning Line Hose A6398309115

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Mercedes R171 Air Conditioning Compressor Air A/C Hose Pipe Line A1718301215

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Part no. A2108314446

Air Duct Mercedes W210 Channel Cabin Ventilation Rear Central A2108314446

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Mercedes W447 Blower Motor Heater Fan Resistor Regulator V-Class HM078002

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Mercedes R171 Air Conditioning Compressor Air A/C Hose Pipe Line A1718301115

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Air Conditioning Compressor Mercedes W205 W213 M274 A/C Pump A0008305600

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Mercedes-Benz A B Class W169 W245 Air Conditioning Compressor Pump A0022304811

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Air Duct Mercedes ML W164 Rear Floor Right Ventilation Channel A1648311246

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Mercedes W207 W212 Automatic Air Conditioning Switch Control Panel A2129006527

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Mercedes W204 C207 M271 Air Conditioning Pipe Line Refrigerant Hose A2048300615

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Mercedes W164 W251 Diesel Air Conditioning Compressor Unit A0022305811

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Air Conditioning Pipe Mercedes R231 M157 Refrigerant A/C Hose Line A2318300015

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Mercedes W639 Air Conditioning Cooling Radiator Condenser A/C A6398350800

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Mercedes Vito Viano W639 AC Climate Heater Control Unit Switch Panel A6398302085

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Mercedes-Benz W202 W208 W210 Heater Matrix Heat Exchanger Radiator A2108300661

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Mercedes W246 M651 Air Conditioning Pipe Compressor Pipe A2468300215

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Mercedes W639 Switch Control Panel Block ASR Hazard Lights A6398701910

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Part no. A0008307704

Mercedes EQA H243 Electric Refrigerant Compressor Air Conditioning A0008307704

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Mercedes W177 W247 Air Conditioning Pipe Refrigerant Line Hose A/C A1778309802

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Mercedes-Benz C208 W208 Front Left Nozzle Air Duct Leg Channel Vent A2088300166

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Mercedes W639 W906 A/C Air Conditioning Compressor Climate Pump A0022307711

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Mercedes Sprinter W910 Air Conditioning Pipe Refrigerant Hose Line A9108300000

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Mercedes W221 Air Conditioning Compressor OM646 Air Con A/C Unit A0032308411

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Mercedes W211 A/C Heater Climate Control Unit Switch Panel A2118300890

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Mercedes W176 W246 Climate Control Panel Heater Switch Air Con A/C A2469002208

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Mercedes W906 Carrier Air Conditioning Compressor A/C Bracket OM646 A6462340539

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Mercedes W639 W906 A/C Air Conditioning Compressor Climate Pump A0022307711

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Air Panel Mercedes W204 Heater Climate Control Switch Conditioning A2049005805

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Mercedes W639 W906 Air Conditioning Compressor Air Con Unit OM646 A0022301911

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Mercedes W212 Air Conditioning Unit Climate Control Switch Panel A2129008608

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Mercedes W203 Engine Insulation Panelling Trim Cover Diesel A2035201723

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Mercedes W124 E280 Automatic Heating Dual Dua Valve Bosch A0008306584

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Mercedes W212 Air Conditioning A/C Air Con Condenser Hose Pipe Line A2048301116

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Mercedes-Benz C-Class W203 Air Conditioning Air Con Pipe Hose A1112306756

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Mercedes W639 Rear Climate Control Switch Panel Air Con Unit Module A6394460128

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Mercedes-Benz M-Class W163 Air Conditioning Condenser A1638300170

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Mercedes-Benz Sprinter W906 Dashboard Left N/S Air Duct Pipe Channel A9068311545

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Mercedes Vito W639 Air Con Refrigerant Pipe Conditioning Line Hose A6398300215

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Mercedes W221 M275 Air Condition A/C Compressor Pump Refrigerant A0022308111

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Mercedes GLC X253 Air Conditioning Compressor Refrigerant Hose A2538306700

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Mercedes W204 M271 Heater Water Coolant Pump Control Unit Valve A2712030164

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Mercedes W176 C117 CLA 45 AMG Petrol M133 Air Conditioning Compressor Hose

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Mercedes W204 Air Conditioning A/C C63 AMG Condenser Hose Pipe Line A2128306915

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Part no. A2118302390

Mercedes W211 Heater Climate Control Panel Switch Air Con A/C Unit A2118302390

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